Photographers' Formulary 20lbs Anhydrous Sodium Thiosulfate

Key Features

• Achieve archival quality prints with this 20lb Sodium Thiosulfate fixer.
• Perfect for creating your own custom black and white film fixing solutions.
• Ensure chemical consistency in every batch with our high-quality formula.
• This anhydrous form mixes easily, saving you time in the darkroom.
• Use as a key ingredient in various reducers to control image contrast.
• Ideal for both seasoned pros and darkroom beginners, simple and effective.